821. Columbia University Rare Book & Manuscript Library, MS Or 19 Title: Bi-ʻilm-i usṭurlāb Author: Rukn ibn Sharaf al-Dīn Āmulī Place: Herat Date: between 1750 and 1899?
822. Columbia University Rare Book & Manuscript Library, MS Or 21 Title: Sharḥ al-Jaghmīnī Author: Jaghmini Place: India Date: between 1500 and 1840?
823. Columbia University Rare Book & Manuscript Library, MS Or 25 Title: De sphaericis Author: Theodosius of Bithynia Place: India Date: between 1850 and 1899?
824. Columbia University Rare Book & Manuscript Library, MS Or 30 - FOLIO/FLAT Title: Elements Author: Euclid Place: Iran Date: 1348.
825. Columbia University Rare Book & Manuscript Library, MS Or 32 Title: Treatise on composing letters Place: Turkey Date: between 1775 and 1825?
826. Columbia University Rare Book & Manuscript Library, MS Or 33 Title: Khulāṣat al-ḥisāb Author: Bahāʾ al-dīn al-ʿĀmilī Place: Iran Date: between 1650 and 1843?
827. Columbia University Rare Book & Manuscript Library, MS Or 36 Title: Badīʻ al-ḥisāb Author: Rajab ʻAlī Beg Surūr Place: Lahore Date: 1851.
828. Columbia University Rare Book & Manuscript Library, MS Or 37 Title: Badāʼiʻ al-funūn Place: India Date: 1664.
829. Columbia University Rare Book & Manuscript Library, MS Or 38 Title: Līlāvatī Author: Bhāskara II Place: Lahore Date: 1711.
830. Columbia University Rare Book & Manuscript Library, MS Or 43 Title: Sharḥ ashkāl al-taʼsīs Author: Qāḍī Zāda al-Rūmī Place: India Date: between 1685 and 1700?